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manman71
25.06.2019 •
Mathematics
Fill in the blank of the triangle below x=
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Ответ:
ANSWER
EXPLANATION
From the given right angle triangle the known angle is 47°
The side length which is x units is opposite to the known angle.
We also know a side length 35 units which is adjacent to the given angle.
We use the tangent ratio to obtain,
Ответ:
x = 37.53 units
Step-by-step explanation:
Points to remember
Trigonometric ratios
Sin θ = Opposite side/Hypotenuse
Cos θ = Adjacent side/Hypotenuse
Tan θ = Opposite side/Adjacent side
From the figure we can see a right angled triangle with one angle is 47° and adjacent side length of that angle is 35
To find the value of x
From the figure we can write,
Tan 47 = Opposite side/Adjacent side
= x/35
x = 35 * Tan 47
= 37.53 units
Ответ:
=============================================================
Work Shown:
Refer to the diagram below. The short leg (opposite the 30 degree angle) is equal to 1 unit, the long leg is equal to sqrt(3) units, and the hypotenuse is 2 units long.
For the reference angle 60 degrees, the opposite leg is sqrt(3) units and the adjacent leg is 1 unit
tan(angle) = opposite/adjacent
tan(60) = sqrt(3)/1
tan(60) = sqrt(3)